OBD Guide

U210C

Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module

U210C is an OBD-II diagnostic trouble code meaning: Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module. Common causes: open or short circuit in wiring harness, fuel pump control module 'b' malfunction. Estimated repair cost: $56–222.

Severity
🔴 High
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–222 (est.)

Symptoms

  • Check Engine Light Is On
  • Airbag light is on
  • Problems starting the engine
  • Reduced engine performance
  • Disabling security systems

Causes

  • Open or short circuit in wiring harness
  • Fuel Pump Control Module 'B' Malfunction
  • Security control module malfunction
  • Power or grounding problems
  • Damage to connectors or corrosion of contacts

How to Fix

  1. Check wiring harness for damage
  2. Check connectors and contacts for corrosion
  3. Check power supply and grounding of modules
  4. Diagnose the fuel pump control module 'B'
  5. Diagnose the security control module
  6. Repair only from an authorized dealer

Related codes

FAQ

What does the U210C code mean?

U210C is an OBD-II diagnostic trouble code that indicates: Lost Communication Between Fuel Pump Control Module 'B' and Restraints Control Module

What causes a U210C error code?

The most common causes of U210C include: Open or short circuit in wiring harness; Fuel Pump Control Module 'B' Malfunction; Security control module malfunction; Power or grounding problems.

How do I fix a U210C diagnostic trouble code?

To fix U210C: Check wiring harness for damage. Check connectors and contacts for corrosion. Check power supply and grounding of modules. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U210C?

Do not drive — repair immediately

How much does it cost to fix U210C?

The estimated repair cost for U210C is $56–222. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat